Air dam



FIG. 1 is a perspective view of the air dam showing our new design;

FIG. 2 is a perspective view of the air dam;

FIG. 3 is a left side elevational view of the air dam, the right side elevational view being a mirror image;

FIG. 4 is a front elevational view of the air dam;

FIG. 5 is a rear elevational view of the air dam;

FIG. 6 is a top plan view of the air dam; and,

FIG. 7. is a bottom plan view of the air dam.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an air dam, as shown and described. 